Crime Stoppers of the Inland Northwest is offering a cash reward for information leading to the arrest of the person responsible for placing an explosive devise inside of a briefcase. The briefcase was discovered at 4:30 p.m. Friday in a grassy swale on 2nd Street, south of Kathleen Ave. It later was detonated by the Spokane County Bomb Squad. A note was attached to the briefcase that said “Warning, do not touch, boom." The briefcase was located about one block south of the Kootenai County Fairgrounds, off of Kathleen Avenue, where thousands of people were attending the North Idaho Fair. Any fair goers parked in the area are asked to report any suspicious activity they saw. Anyone with information on this crime is asked to call Crime Stoppers at 667-2111, toll free at 866-667-2111. Callers are asked to use a code name or number and do not have to use their own name to be eligible for a reward.